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3 years ago

I need help is it A B C or D

Mathematics

2 answers:

deff fn [24]3 years ago

8 0

I would say c as the answer

frozen [14]3 years ago

6 0

Data is Linear.
Find slope using first and last data points (1,5) and (13,20)
$m = \frac{20-5}{13-1} = \frac{15}{12} = \frac{5}{4}$
Then us point-slope form using point (1,5)
$y - 5 = \frac{5}{4}(x-1)$
Therefore answer is option D

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Answer:

27.73 cm squared

Step-by-step explanation:

In order to find the shaded region, we need to find the areas of the circle and the rectangle and then subtract the circle area from the rectangle area.

The area of a rectangle is denoted by: A = lw, where l is the length and w is the width. Here, the length is l = 7 and the width is w = 8. Plug these in:

A = lw

A = 7 * 8 = 56 cm squared

The area of a circle is denoted by: A = πr², where r is the radius. Here, the radius is r = 3, so plug this in:

A = πr²

A = π * 3² = 9π ≈ 28.27 cm squared

Now subtract 28.27 from 56:

56 - 28.27 = 27.73

The answer is thus 27.73 cm squared.

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a) 23

Step-by-step explanation:

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Which of these statements is correct?

tatuchka [14]

Answer:

The system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution is correct.

Step-by-step explanation:

1) The system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution.

Solve these linear equations simultaneously

Step 1 : Find y in terms of x from any one equation

6x - 5y = 8

y = 8 - 6x

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Step 2 : Substitute y in terms of x from step 1 in the second equation.

16x - 6y = 22

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Solve these linear equations simultaneously

Step 1 : Find y in terms of x from any one equation

7x + 2y = 6

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Step 2 : Substitute y in terms of x from step 1 in the second equation.

14x + 4y = 16

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Solve these linear equations simultaneously

Step 1 : Find x in terms of y from any one equation

8x - 3y = 10

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Step 2 : Substitute x in terms of y from step 1 in the second equation.

16x - 6y = 22

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Solve these linear equations simultaneously

Step 1 : Find x in terms of y from any one equation

9x + 6y = 14

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Step 2 : Substitute x in terms of y from step 1 in the second equation.

18x + 12y = 26

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0 ≠ 18

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